EXPERIMENTAL STUDIES OF FLEXURAL BEHAVIOR OF NEW TYPE PRESTRESSED CONCRETE PIPE PILE WITH COMPOUND UNPRESTRESSED REINFORCEMENT

Wang Xinling; Gao Huizong; Zhou Tonghe; Du Lin

doi:10.13204/j.gyjz201208014

Volume 42 Issue 8

Dec. 2014

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Abstract

References

Article Navigation > INDUSTRIAL CONSTRUCTION > 2012 > 42(8): 64-68

Wang Xinling, Gao Huizong, Zhou Tonghe, Du Lin. EXPERIMENTAL STUDIES OF FLEXURAL BEHAVIOR OF NEW TYPE PRESTRESSED CONCRETE PIPE PILE WITH COMPOUND UNPRESTRESSED REINFORCEMENT[J]. INDUSTRIAL CONSTRUCTION, 2012, 42(8): 64-68. doi: 10.13204/j.gyjz201208014

Citation:

Wang Xinling, Gao Huizong, Zhou Tonghe, Du Lin. EXPERIMENTAL STUDIES OF FLEXURAL BEHAVIOR OF NEW TYPE PRESTRESSED CONCRETE PIPE PILE WITH COMPOUND UNPRESTRESSED REINFORCEMENT[J]. INDUSTRIAL CONSTRUCTION, 2012, 42(8): 64-68. doi: 10.13204/j.gyjz201208014

Citation:

Wang Xinling, Gao Huizong, Zhou Tonghe, Du Lin. EXPERIMENTAL STUDIES OF FLEXURAL BEHAVIOR OF NEW TYPE PRESTRESSED CONCRETE PIPE PILE WITH COMPOUND UNPRESTRESSED REINFORCEMENT[J]. INDUSTRIAL CONSTRUCTION, 2012, 42(8): 64-68. doi: 10.13204/j.gyjz201208014

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EXPERIMENTAL STUDIES OF FLEXURAL BEHAVIOR OF NEW TYPE PRESTRESSED CONCRETE PIPE PILE WITH COMPOUND UNPRESTRESSED REINFORCEMENT

doi: 10.13204/j.gyjz201208014

1.
1. School of Civil Engineering,Zhengzhou University,Zhengzhou 450001,China;
2.
2. China Radio &TV International Architecture Design Research Institute,Beijing 100101,China;
3.
3. Zhengzhou University Multi-Functional Design and Research Academy,Zhengzhou 450002,China

Received Date: 2011-12-15
Publish Date: 2012-08-20

Abstract

Abstract

It was presented the concept of a new type unprestressed reinforcement compounded prestressed concretepipe pile ( URC-PCPP )．In the URC-PCPP, in order to increase the bending capacity and ductility, someunprestressed HRB400 rebars were added, forming horizontal loading concrete compound sections．Five kinds of fullscale URC-PCPPs and two kinds of full scale common prestressed concrete pipe piles that used for comparison weredesigned and fabricated．The standard bending tests on the specimens were carried out．The test results showed thatthe URC-PCPPs possed good flexure properties．Based on the data from the tests and GB 5001 0 201 0 ConcreteStructure Design Code, the formulas for the crack moment was suggested and the design equations of flexural capacityfor the URC-PCPPs as well as the formulas of ultimate moment for the factory checkout of the pipe piles were derived．The numerical results agreed well with the test data, satisfying to the design requirement of the pipe pile．
- new type prestressed concrete pipe pile,
- compound reinforcement,
- flexural behavior,
- experimental and theretical study

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References(6)

References

宋寅,柳炳康,李建宏,等.填芯与非填芯预应力混凝土管桩抗弯性能的比较[J].合肥工业大学学报:自然科学版,2007,30(5):607-610.

[2] 蒋元海.先张法预应力混凝土管桩结构设计[J].特种结构,1999,16(1):57-60

[3] 吴为民.预应力管桩水平裂缝的检测与研究[J].岩土工程界,2001,4(8):50-52

[4] 李连营,詹斌,戴斌.预应力管桩水平承载力的研究[J].岩土工程界,2006,9(12):69-70.

[5] GB134762009先张法预应力混凝土管桩[S].

[6] GB500102010混凝土结构设计规范[S].

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